1) Zero-Sequence Transient Direction
零序暂态方向
2) zero-sequence direction
零序方向
1.
Analysis and measures of influence of the common connection line on zero-sequence direction protection;
电压回路中性线对零序方向保护的影响分析和防范措施
2.
This paper analyses a maloperation of zero-sequence direction protection on a 500 kV transmission line,finds out the reason of the maloperation in theory and verifies it with electro-magnetic transient program(EMTP) simulation.
针对一起500kV输电线路零序方向保护误动事故,理论上分析了误动的原因,并用电磁暂态程序(EMTP)进行了仿真验证。
3) transient zero-sequence current
暂态零序电流
1.
Research on faulty line identification in distribution systems based on the frequency-band energy of transient zero-sequence current;
基于暂态零序电流频带能量的配电系统接地选线方法研究
2.
The zero-sequence angle-frequency characteristic of the lines are studied based on it and the characteristics of transient zero-sequence current in different frequency ba.
根据这一特点,对小电流接地系统中线路的零序参数相频特性进行研究,得出系统发生单相接地故障时不同频带上暂态零序电流特性。
3.
The paper studies the charactersistic of transient zero-sequence current on single-phase reclosing and its influence upon Fourier algorithm and Fourier plus difference algorithm.
研究了单相重合闸过程中暂态零序电流的特征及其对傅氏算法和傅氏加差分算法的影响。
4) transient zero sequence electric energy
暂态零序能量
5) Transient Zero-Sequence component
零序暂态分量
6) transient zero sequence current
暂态零序电流
1.
Its algorithm integrates two comparing criteria:the amplitude of transient zero sequence current within the feature band and that of lower-frequency active components.
装置算法基于自适应捕捉特征频带内的暂态零序电流幅值与零序电流低频有功分量幅值比较的综合选线原理。
补充资料:变电所快速暂态电磁场
变电所快速暂态电磁场
fast transient electro-magnetic fields in substations
变电所中快速暂态电磁场强度由于开关操作暂态过程受多种因素影响.因此变电所中实际测t得到的场强数值分散性较大。不同电压等级变电所,用不同型式开关,实测得到的电场强度可达数十千伏/米(kV/m).磁场强度可达数百安培/米(A/m).美国对变电所中操作暂态电磁场的实测工作做的较多。作为一个例子,下表列出了美国电力研究院(EPRI)在115kV、250 kV、500 kV变电所中的实测结果。常规变电所内测点在母线下方地面,操作是断开一段短母线,一川纵潮洲娜朋洲川一0 0 0 0 0 00411:1l)即10 010加 ︵任守︸侧欲典匆 6 .0臼.《】火l()《a)T(5、留一。·““nlj 0 50几00 .,0.1 10 (任/A艺侧蔽2.()魂.硬)丫﹂)()口匕t卜卜片卜f乙仁0 t 0 0 0 0 005 .....-卜闭40加020化 (‘/V)侧旧要翻,::.:: l二‘.1.吐吐.吐2.《)4.(】6 .0划) 了卜卜┌────┬──────┐│ 一一J │八L,‘一’ ││习 ├──────┤│一一.1 │{犷V一· │└────┴──────┘0﹃-j门1 96,JD.任1 9 tl滩n乙oq乙 ︵三z淤巴侧翻要御 (一。一‘)洲.‘}12‘)一6(,义1‘,一‘, 喊d)T(5) 500 kV变电所内断开隔离开关时 的地面电场和磁场(a)GIS磁场;(b)GIS电场;(e)AIS滋场;(d)AIS电场b一and一onsuo kuolsu zonto一d一onelehong变电所快速暂态电磁场(fast transient elec-tromagnetie fields in substations)变电所中隔离开关切、合短母线时的暂态过程产生的电磁场。高压隔离开关操作时,触头间产生一系列电弧过程。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条